diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-06-05 11:18:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-06-05 12:26:50 +0200 |
| commit | 10b0256496fd6c162478547f7c6df1e052e87644 (patch) | |
| tree | 7037905737ae83a86a5cdb376cd1d66f7f407e2e /include/linux | |
| parent | c56d34064b6eb9f9cde9e35bbfe16eedf3d81f94 (diff) | |
| parent | 69902c718c0b476e94ed7fccd3cf29ca39fe433a (diff) | |
Merge branch 'perf/kprobes' into perf/core
Conflicts:
arch/x86/kernel/traps.c
The kprobes enhancements are fully cooked, ship them upstream.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/compiler.h | 2 | ||||
| -rw-r--r-- | include/linux/kprobes.h | 21 |
2 files changed, 20 insertions, 3 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h index ee7239ea1583..0300c0f5c88b 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -374,7 +374,9 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); /* Ignore/forbid kprobes attach on very low level functions marked by this attribute: */ #ifdef CONFIG_KPROBES # define __kprobes __attribute__((__section__(".kprobes.text"))) +# define nokprobe_inline __always_inline #else # define __kprobes +# define nokprobe_inline inline #endif #endif /* __LINUX_COMPILER_H */ diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 925eaf28fca9..e059507c465d 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -205,10 +205,10 @@ struct kretprobe_blackpoint { void *addr; }; -struct kprobe_blackpoint { - const char *name; +struct kprobe_blacklist_entry { + struct list_head list; unsigned long start_addr; - unsigned long range; + unsigned long end_addr; }; #ifdef CONFIG_KPROBES @@ -265,6 +265,7 @@ extern void arch_disarm_kprobe(struct kprobe *p); extern int arch_init_kprobes(void); extern void show_registers(struct pt_regs *regs); extern void kprobes_inc_nmissed_count(struct kprobe *p); +extern bool arch_within_kprobe_blacklist(unsigned long addr); struct kprobe_insn_cache { struct mutex mutex; @@ -476,4 +477,18 @@ static inline int enable_jprobe(struct jprobe *jp) return enable_kprobe(&jp->kp); } +#ifdef CONFIG_KPROBES +/* + * Blacklist ganerating macro. Specify functions which is not probed + * by using this macro. + */ +#define __NOKPROBE_SYMBOL(fname) \ +static unsigned long __used \ + __attribute__((section("_kprobe_blacklist"))) \ + _kbl_addr_##fname = (unsigned long)fname; +#define NOKPROBE_SYMBOL(fname) __NOKPROBE_SYMBOL(fname) +#else +#define NOKPROBE_SYMBOL(fname) +#endif + #endif /* _LINUX_KPROBES_H */ |